EUROPEAN 312,824 ERS [European Respiratory Society] Meeting : First Annual Congress Brussels September 21-26 1991. : abstracts. - Copenhagen : Publ. jointly by The Society and Munksgaard, 1991. - [2], 171-637 s. : wykr. ; 28 cm (The European Respiratory Journal, ISSN 0903-1936 ; vol. A suppl. 1A)